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Startups & Venture·July 31, 2026·1 min read

The Week’s 10 Biggest Funding Rounds: Safe Superintelligence And Commonwealth Fusion Lead With Billion-Dollar Deals

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A reported $5 billion round for Safe Superintelligence and $1 billion for Commonwealth Fusion shows capital clustering at the extremes—frontier AI and long-horizon energy. For founders in the middle, expect higher bar on narratives that don’t either reduce AI infra costs or unlock new energy and compute regimes.